<?php

/**
 * 抽象鸟的建造者（生成器）
 * User: huy
 * Date: 2017/3/21
 * Time: 20:43
 */
include 'bird.class.php';

abstract class BirdBuild{
    public $_bird;

    function __construct(){
        $this->_bird = new Bird();
    }

    abstract function buildHead();

    abstract function buildWing();

    abstract function buildFoot();

    abstract function getBird();
}